<template>
  <Button
    v-bind="$attrs"
    :disabled="isStart"
    @click="handleStart"
    :loading="loading"
  >
    {{ getButtonText }}
  </Button>
</template>
<script lang="ts">
import { defineComponent, ref, watchEffect, computed, unref } from 'vue'
import { Button } from 'ant-design-vue'
import { useCountdown } from './useCountdown'
import { isFunction } from '@admin/utils'
import { useI18n } from '@admin/locale'

const props = {
  value: { type: [Object, Number, String, Array] },
  count: { type: Number, default: 60 },
  beforeStartFunc: {
    type: Function as PropType<() => Promise<boolean>>,
    default: null,
  },
}

export default defineComponent({
  name: 'CountButton',
  components: { Button },
  props,
  setup(props) {
    const loading = ref(false)

    const { currentCount, isStart, start, reset } = useCountdown(props.count)
    const { t } = useI18n()

    const getButtonText = computed(() => {
      return !unref(isStart)
        ? t('component.countdown.normalText')
        : t('component.countdown.sendText', [unref(currentCount)])
    })

    watchEffect(() => {
      props.value === undefined && reset()
    })

    /**
     * @description: Judge whether there is an external function before execution, and decide whether to start after execution
     */
    async function handleStart() {
      const { beforeStartFunc } = props
      if (beforeStartFunc && isFunction(beforeStartFunc)) {
        loading.value = true
        try {
          const canStart = await beforeStartFunc()
          canStart && start()
        } finally {
          loading.value = false
        }
      } else {
        start()
      }
    }
    return { handleStart, currentCount, loading, getButtonText, isStart }
  },
})
</script>
